3 years ago

What is the LCM for 9, 12, 15

Mathematics

2 answers:

34kurt3 years ago

8 0

The lowest common multiple (LCM) is 180

coldgirl [10]3 years ago

7 0

The LCM of 9,12, and 15 is 180

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PLZ HELP SCALE FACTOR TRIANGLE<br><br> A. 10.5 cm<br> B. 31.5 cm<br> C. 63 cm<br> D. 189 cm

Anarel [89]

If two similar triangles have sides in the ratio a : b, then their areas are in the ratio a² : b².

We have the ratio:

$54:18=\dfrac{54}{18}=3:1$

Area of the smaler triangle = x

Area of the larger triangle = 567 cm²

Therefore we have the equation:

$567:x=3^2:1^2\\\\\dfrac{567}{x}=\dfrac{9}{1}\qquad|\text{cross multiply}\\\\9x=567\qquad|\text{divide both sides by 9}\\\\x=63$

<h3>Answer: C. 63 cm²</h3>

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ycow [4]

Answer:

(x+6)(x+6)

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Always remember this identity

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x^2 + 36 +2(x)(6)

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2 years ago

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What are some words found in geometry that are hard to specifically<br> define

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Dmitriy789 [7]

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